A bus and two agricultural trucks collided Monday, injuring 19 people in south China's Guangxi Zhuang Autonomous Region, police said.

Eighteen passengers were injured and the bus driver was trapped as the bus rolled into a ditch after the collision occurred at about 11 am in Fusui County, Chongzuo City, said the regional public security department.

All the injured were being treated in hospitals. Their conditions were unavailable.

Police were investigating the cause of the accident.

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